Author

Justin J. Zik

National University of SingaporeORCID 0000-0003-0260-2446Unclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

Click to filter author papers

Microbiology· 3

Signature Assays, Organisms & Methods

Click to filter · or open tag

Approach:experimental assay· 3 Organism:bacteria (other)· 2 Research Focus:cell signaling & trafficking· 2 Assay:proteomics· 2 Research Focus:chromatin & epigenetic regulation· 1 Research Focus:development & morphogenesis· 1 Research Focus:gene regulatory network inference· 1 Research Focus:genome assembly· 1

Frequent Co-Authors

Lok‐To ShamiD· 3 shared Adam M. DeutschbaueriD· 2 shared Adam P. ArkiniD· 2 shared Morgan N. PriceiD· 2 shared Audrey A. SantosoiD· 1 shared Josué Flores-KimiD· 1 shared Kai Sen TaniD· 1 shared Keisha Hanifa Alma MayraiD· 1 shared

Activity by Year

2025-2026 · peak 2/yr

Co-Author Collaboration Network

10 top collaborators · 27 mutual co-author links

Click any collaborator node to inspect or filter shared papers

Focal author (center)Selected co-authorORCID co-authorUnlinked name

Curved chords = mutual co-authorship

3 shared papersMicrobiology

Lok‐To ShamORCID

Mutual co-authors in cluster

Author profile →

3 papers

Recent·Most cited

MicrobiologymBioPeer-reviewedJul 22, 2026

The WalRK two-component system in Streptococcus pneumoniae ensures robustness of secondary wall polymer attachment

Justin J. Zik, Zeyu Fu, Morgan N. Price…·Lok‐To Sham

This paper identifies the WalRK two-component system's role in maintaining cell envelope integrity by compensating for reduced capsule and wall teichoic acid attachment in Streptococcus pneumoniae.

DOI 10.1128/mbio.01075-26

bacteria (other)proteomics

𝕏 PostBluesky

MicrobiologybioRxivPreprintJul 16, 2026

Cross-phosphorylation of RR06 by the non-cognate kinase VncS activates the adhesin CbpA in Streptococcus pneumoniae.

S.Y. Tan, Justin J. Zik, Ye-Yu Chun…·Lok‐To Sham

The paper identifies how VncS cross-phosphorylates RR06 to activate CbpA, a key adhesin in Streptococcus pneumoniae, resolving a mechanistic controversy.

DOI 10.64898/2026.07.15.738638

humanproteomics

𝕏 PostBluesky

MicrobiologySciencePeer-reviewedSep 25, 2025

Dual transposon sequencing (Dual Tn-seq) to probe genome-wide genetic interactions

Justin J. Zik, Morgan N. Price, Keisha Hanifa Alma Mayra…·Lok‐To Sham

The paper introduces Dual Tn-seq to assess genome-wide genetic interactions in Streptococcus pneumoniae by analyzing double mutants, revealing new biochemical pathway components.

14 citationstop 2%

bacteria (other)experimental assay

𝕏 PostBluesky